| 玉米大斑病重要流行环节的初步定量研究——Ⅲ.相对湿度、降雨对大斑病流行的影响 |
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| 引用本文： | 杨信东,金喜双,鲁坤.玉米大斑病重要流行环节的初步定量研究——Ⅲ.相对湿度、降雨对大斑病流行的影响[J].吉林农业大学学报,1988(4). |
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| 作者姓名： | 杨信东 金喜双 鲁坤 |
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| 作者单位： | 吉林农业大学植物病理教研室
(杨信东，金喜双)，吉林农业大学植物病理教研室(鲁坤) |
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| 摘 要： | 文中对相对湿度、阵雨对大斑病流行的影响进行了定量研究,提出了相对湿度与病斑产孢量、降雨量与叶面孢子冲刷率之间关系的两个回归计算式;还报道了关于间歇性降雨造成的萌动孢子再度干燥对孢子萌发率和附着孢形成率的影响等研究结果。
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| 关 键 词： | 玉米大斑病 流行 相对湿度 降雨 |
A PRELIMINARY QUANTITATIVE STUDY ON KEY LINKS OF EPIDEMIC PROCESS OF MAIZE NORTHERN LEAF BLIGHT I . THE EFFECT OF RELATIVE HUMIDITY AND RAIN ON THE EPIDEMIC OF MAIZE NORTHERN LEAF BLIGHT |
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| Yang Xindong.A PRELIMINARY QUANTITATIVE STUDY ON KEY LINKS OF EPIDEMIC PROCESS OF MAIZE NORTHERN LEAF BLIGHT I . THE EFFECT OF RELATIVE HUMIDITY AND RAIN ON THE EPIDEMIC OF MAIZE NORTHERN LEAF BLIGHT[J].Journal of Jilin Agricultural University,1988(4). |
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| Authors: | Yang Xindong |
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| Institution: | Yang Xindong |
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| Abstract: | The effect of relative humidity and rain on the epidemic of maize northern leaf blight was studied quantitatively.Two regression equations for the relationship between relative humidity and sporulation capacity of lesion, and the relationship rainfall and the rats of washed spores from leaf surface were built.The effect of intermittent rainfall on the germination of siores on the leaf suriace and the formation of appro-sorium waS also reported. |
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| Keywords: | northern leaf blight of corn epidemic relative humidity rain |
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